Dmitry Chigarev

> Is this behavior expected, or should I change the behavior there to pass dtypes, or should I change the behavior in the _LocIndexer to preserve (and copy for new...

To perform binary operation partitions of the second operand are broadcasted to partitions of the first operand, to be able to do broadcasting, partitioning of both frames has to be...

Also found out that the binary operations in partition manager [performed](https://github.com/modin-project/modin/blob/a3ddf2f01163a312416d2a8bc456ba9582ae9b4d/modin/engines/base/frame/partition_manager.py#L1243-L1248) like full-axis functions, which is also can be a slow-down factor. @devin-petersohn are there any reasons why we perform...

cc @Garra1980 @fexolm

The reproducer in the issue seem to work fine on the current master (at least, on my machine). However, I stumbled into another example that still triggers the same problem:...

Sorry, for the delayed response... The only thing I remember that was done recently specifically for `DataFrame.apply` is this PR (#3746), however, it shouldn't affect performance anyhow. I've been able...

> It seems we can't know new_dtypes for columns other than on in advance. I believe in case of a left-merge we can preserve dtypes for 'on' columns and all...

Why we're merging this to our repo instead of https://github.com/data-apis/dataframe-api-compat? Is this already determined that the dataframe-api repo will be abandoned and won't accept contributions?

In particular, I'm asking about this PR (data-apis/dataframe-api-compat#71), I've seen some fresh comments there from you. Are you expecting this to be merged? If so, do we need the PR...

> I consider this change as temporary in order to be in time for the 0.27 release. Why do we want this to be in 0.27 release? cc @YarShev It...